The Bihar School Examination Board (BSEB) has released answer keys for the Bihar Board of Open Schooling and Examination (BBOSE) Class 10 and 12 exams held in June and December 2025. Candidates can access these keys on biharboardonline.com. An objection window is open until January 9, 2026, allowing candidates to challenge answers online. Subject experts prepared the keys, and objections will be reviewed by the board before finalizing results.